Home / 19,539.43-29,325.54-8,454.58

Finding the Fourth Proportional to 19,539.43, 29,325.54 and 8,454.58

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Solution

The fourth proportional to 19,539.43, 29,325.54 and 8,454.58 is: 12,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.43 : 29,325.54 = 8,454.58 : x
  2. Step 2: Convert to fraction form
    19,539.43/29,325.54 = 8,454.58/x
  3. Step 3: Cross multiply
    19,539.43x = 29,325.54 × 8,454.58
  4. Step 4: Simplify right side
    19,539.43x = 247,935,082.36
  5. Step 5: Solve for x
    x = 247,935,082.36/19,539.43
  6. Step 6: Final answer
    x = 12,688.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.